<?php
	require_once('RandomNumberGenerator.php');
	require_once('DigitObserver.php');
	require_once('GraphObserver.php');
	$gen = new RandomNumberGenerator();
	$ob1 = new DigitObserver();
	$ob2 = new GraphObserver();
	$gen->attach($ob1);
	$gen->attach($ob2);
	$gen->setState(6);
	$gen->setState(8);
	interface Zeal_Observer extends SplObserver {

	}
?>